return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-285.552800
Energy at 298.15K-285.560776
HF Energy-284.832522
Nuclear repulsion energy217.181445
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3264 3015 22.48      
2 A' 3183 2940 13.10      
3 A' 3142 2902 36.35      
4 A' 3127 2889 29.30      
5 A' 2521 2328 0.35      
6 A' 1637 1512 2.31      
7 A' 1609 1486 3.31      
8 A' 1599 1477 3.73      
9 A' 1552 1434 8.82      
10 A' 1510 1395 27.52      
11 A' 1478 1365 73.33      
12 A' 1269 1173 203.77      
13 A' 1230 1137 24.72      
14 A' 1125 1039 17.00      
15 A' 1012 935 16.31      
16 A' 961 888 2.37      
17 A' 587 543 1.48      
18 A' 443 409 1.34      
19 A' 318 293 2.83      
20 A' 140 129 3.68      
21 A" 3275 3025 22.49      
22 A" 3180 2938 18.88      
23 A" 3166 2925 56.25      
24 A" 1583 1463 5.47      
25 A" 1382 1276 2.96      
26 A" 1342 1239 3.34      
27 A" 1265 1169 7.74      
28 A" 1104 1020 2.01      
29 A" 871 805 0.31      
30 A" 393 363 2.81      
31 A" 269 248 0.52      
32 A" 116 107 8.07      
33 A" 78 72 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 24864.9 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 22967.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
ABC
0.51618 0.05051 0.04722

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.831 2.561 0.000
C2 -1.198 1.096 0.000
O3 0.000 0.348 0.000
C4 -0.226 -1.027 0.000
C5 1.072 -1.718 0.000
N6 2.068 -2.290 0.000
H7 -1.728 3.176 0.000
H8 -0.243 2.802 0.882
H9 -0.243 2.802 -0.882
H10 -1.792 0.843 -0.883
H11 -1.792 0.843 0.883
H12 -0.787 -1.345 -0.883
H13 -0.787 -1.345 0.883

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.51042.36423.63914.68345.65131.08821.08671.08672.15802.15804.00544.0054
C21.51041.41292.33553.61614.70482.14652.14472.14471.09371.09372.62882.6288
O32.36421.41291.39372.32763.35183.31482.61922.61922.05822.05822.06532.0653
C43.63912.33551.39371.47082.61884.46393.92973.92972.59382.59381.09291.0929
C54.68343.61612.32761.47081.14845.63904.78964.78963.94223.94222.09132.0913
N65.65134.70483.35182.61881.14846.65535.66115.66115.04915.04913.13393.1339
H71.08822.14653.31484.46395.63906.65531.76751.76752.49582.49584.70234.7023
H81.08672.14472.61923.92974.78965.66111.76751.76353.05822.49794.53994.1830
H91.08672.14472.61923.92974.78965.66111.76751.76352.49793.05824.18304.5399
H102.15801.09372.05822.59383.94225.04912.49583.05822.49791.76522.40802.9857
H112.15801.09372.05822.59383.94225.04912.49582.49793.05821.76522.98572.4080
H124.00542.62882.06531.09292.09133.13394.70234.53994.18302.40802.98571.7654
H134.00542.62882.06531.09292.09133.13394.70234.18304.53992.98572.40801.7654

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.904 C1 C2 H10 110.924
C1 C2 H11 110.924 C2 C1 H7 110.330
C2 C1 H8 110.280 C2 C1 H9 110.280
C2 O3 C4 112.637 O3 C2 H10 109.739
O3 C2 H11 109.739 O3 C4 C5 108.667
O3 C4 H12 111.745 O3 C4 H13 111.745
C4 C5 N6 178.155 C5 C4 H12 108.420
C5 C4 H13 108.420 H7 C1 H8 108.719
H7 C1 H9 108.719 H8 C1 H9 108.463
H10 C2 H11 107.611 H12 C4 H13 107.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability